Cited by 187Neuroendocrine regulation and behaviorOlfactory and Sensory Function StudiesNeuropeptides and Animal Physiology

The DOI matches its Crossref record, with a small difference in title or year; 152 of the 154 references it cites were found in a registry or an index.

A Spatiotemporal Profile of In Vivo Cerebral Blood Flow Changes Following Intranasal Oxytocin in Humans

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Abstract

BACKGROUND: Animal and human studies highlight the role of oxytocin in social cognition and behavior and the potential of intranasal oxytocin (IN-OT) to treat social impairment in individuals with neuropsychiatric disorders such as autism. However, extensive efforts to evaluate the central actions and therapeutic efficacy of IN-OT may be marred by the absence of data regarding its temporal dynamics and sites of action in the living human brain. METHODS: In a placebo-controlled study, we used arterial spin labeling to measure IN-OT-induced changes in resting regional cerebral blood flow (rCBF) in 32 healthy men. Volunteers were blinded regarding the nature of the compound they received. The rCBF data were acquired 15 min before and up to 78 min after onset of treatment onset (40 IU of IN-OT or placebo). The data were analyzed using mass univariate and multivariate pattern recognition techniques. RESULTS: We obtained robust evidence delineating an oxytocinergic network comprising regions expected to express oxytocin receptors, based on histologic evidence, and including core regions of the brain circuitry underpinning social cognition and emotion processing. Pattern recognition on rCBF maps indicated that IN-OT-induced changes were sustained over the entire posttreatment observation interval (25-78 min) and consistent with a pharmacodynamic profile showing a peak response at 39-51 min. CONCLUSIONS: Our study provides the first visualization and quantification of IN-OT-induced changes in rCBF in the living human brain unaffected by cognitive, affective, or social manipulations. Our findings can inform theoretical and mechanistic models regarding IN-OT effects on typical and atypical social behavior and guide future experiments (e.g., regarding the timing of experimental manipulations).

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Crossref · 10.1016/j.biopsych.2014.10.005

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Metadata

Authors
Paloyelis, Y., Doyle, O. M., Zelaya, F. O., Maltezos, S., Williams, S. C., Fotopoulou, A., & Howard, M. A.
Affiliations
  • King's College London (GB)
  • University College London (GB)
Corresponding author
Paloyelis, Yannis
Venue
Biological Psychiatry
Publisher
Elsevier BV
Published
2016-04
Volume
79
Issue
8
Pages
693-705
ISSN
0006-3223 (ISSN-L)
OpenAlex
W2021223630
Cited by
187
References
154
Citations by year
2026: 10 · 2025: 6 · 2024: 12 · 2023: 10 · 2022: 12 · 2021: 16 · 2020: 41 · 2019: 20 · 2018: 14 · 2017: 19 · 2016: 13
FWCI
22.75
Type
journal article
Language
en
Open access
Locations
  • Biological Psychiatry (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Research Portal (King's College London) (publishedVersion, cc-by)
  • UCL Discovery (University College London) (submittedVersion)
Funders
  • Economic and Social Research Council fellowship (ES/K009400/1)
  • Volkswagen Foundation “European Platform for Life Sciences, Mind Sciences and Humanities” (II/85 069)
  • Institute for the Study of Affective Neuroscience/Hope for Depression Research Foundation (to AF)
  • European Research Council Starting Investigator Award (ERC-2012-STG GA313755)
Topics
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Neuroendocrine regulation and behavior
  • Life Sciences › Neuroscience › Sensory Systems › Olfactory and Sensory Function Studies
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
Keywords
intranasal oxytocin, regional cerebral blood flow, arterial spin labeling, oxytocin receptor, social cognition, emotional processing, pharmacodynamics, autism spectrum disorder, social dysfunction, spatiotemporal dynamics
MeSH terms
Administration, Intranasal, Brain, Brain Mapping, Central Nervous System Agents, Cerebrovascular Circulation, Humans, Magnetic Resonance Imaging, Male, Oxytocin, Pattern Recognition, Automated, Rest, Multivariate Analysis, Single-Blind Method, Young Adult

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